// validator
#include <cstdio>
#include <iostream>
using namespace std;
typedef long long ll;
#define REP(i,a,b) for(ll (i)=a;(i)<(ll)(b);++(i))
#define rep(i,n) REP(i,0,n)

int main(){
	ll N;
	scanf("%lld", &N);
	if(N<0 || N>1e6){
		cerr<<"invalid N: "<<N<<endl;
		return -1;
	}
	ll x = 0;
	rep(i, N){
		ll K, L, D;
		scanf("%lld%lld%lld", &K, &L, &D);
		if(K<1||L<0||L>1e18||K>1e18||(L+((K-1)<<D))>1e18||K-1>(((ll)(1e18-L)>>D)+10)){
			cerr<<"invalide K L D: "<<K<<" "<<L<<" "<<D<<endl;
			return -1;
		}
		ll L2 = L>>D;
		while(K>0 && L2%4!=0){
			x ^= L;
			L += 1LL<<D;
			L2++;
			K--;
		}
		while(K%4!=0){
			x ^= L+((K-1)<<D);
			K--;
		}
	}
	printf("%lld\n", x);
	return 0;
}